/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/SubRegionRemesher.h
Extract final triangle ROI. After calling this function, the ROI will be cleared, and must be re-initialized. This can be used to avoid having to copy theTSet.
set of triangles that contains edge ROI (note: may also contain additional triangles)
[TSet](API\Runtime\Core\Containers\TSet)< int > && ExtractFinalTriangleROI()